30 Questions
What is the conservation method that involves making less garbage?
Reduce
Which statement correctly defines reproduction?
The adults make offspring.
Why is reproduction important to an organism?
Because it ensures continued presence of the organism.
Which part of the male reproductive system protects the testis?
Scrotum
What part of the female reproductive system releases the egg cells and hormones?
Ovary
What term marks the start of being a teenager?
Adolescence
What physical change might Paola have noticed on her body?
Enlarged breasts
What physical change did Raymond notice on Adam's neck?
Physical change
Which of the following changes occur in both boys and girls during puberty?
II, V, and VII
What type of motion does an object undergo when moving in a straight line?
Rectilinear motion
What is a reference point in physics?
Reference point
How can a biker travel a great distance in a specified time?
Maintain a consistent high speed
Which group of materials is used for our body?
baby powder, cologne, lotion, and soap
What is NOT usually added to processed food?
indelible ink
Which material is NOT useful for cleaning a bathroom?
fabric conditioner
How can you determine if a household material is harmful?
Both A and B
Why are metals useful?
Because it is hard and can be made into different shapes
When is a material considered useful?
If it can serve its purpose
What is the primary effect of pedaling faster on a bike?
Increase the speed of the bike
What is the correct unit of speed?
Meter per second
A car travels at a constant speed of 20 meters per second. How far will it travel in 10 seconds?
200 meters
What is your speed if you move 10 meters in 5 seconds?
2 meters per second
Which of the following materials is NOT a good conductor of heat and electricity?
Rubber
What is the process of breaking down of rocks into smaller pieces?
Weathering
What can cause rocks to break?
Water that seeps into the pores and cracks of rocks
How do plants serve as agents of weathering?
Roots of plants that grow in rocks and cause them to break
What is the effect of very strong winds of public storm signal #4 on the transportation system?
It is unsafe to travel both in air and in sea
What can be greatly damaged by typhoons?
All of the above
What is the best strategy for residents to ensure safety when a weather disturbance threatens low-lying coastal areas?
Evacuate to a higher safer place
What is NOT a negative effect of typhoons?
It fills up dams and replenish water supply
Identify the correct group of materials used for personal care and household cleaning. Review concepts related to preservatives and additives in this science quiz.
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